Key to Aquatic Macroinvertebrates - No Shell

Key to Macroinvertebrate Life in Ponds and Rivers in Utah

Use the links on the pictures below to help identify your organism.

1. My organism has no legs

     1a. Tentacles, brushes or 'tails'

     1b. Worm Like

2. My organism has legs

     2a. 10+ Legs
     2b. 4 Pair of Legs
     2c. 3 Pair of Legs

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